wovepaper — the arXiv observatory

papers

Publications (92)

astro-ph.IM2019

The Control Unit of the KM3NeT Data Acquisition System

S. Aiello, F. Ameli, M. Andre +217

The KM3NeT Collaboration runs a multi-site neutrino observatory in the Mediterranean Sea. Water Cherenkov particle detectors, deep in the sea and far off the coasts of France and I…

physics.ins-det2014

NaNet: a Low-Latency, Real-Time, Multi-Standard Network Interface Card with GPUDirect Features

A. Lonardo, F. Ameli, R. Ammendola +14

While the GPGPU paradigm is widely recognized as an effective approach to high performance computing, its adoption in low-latency, real-time systems is still in its early stages. A…

physics.ins-det2020

The Hyper-Kamiokande Experiment -- Snowmass LOI

Kamiokande Collaboration, K. Abe, P. Adrich +387

Hyper-Kamiokande is the next generation underground water Cherenkov detector that builds on the highly successful Super-Kamiokande experiment. The detector which has an 8.4~times l…

hep-ex2022

Reconstruction of $B \to I ¨ ℓ I^½_{ℓ}$ decays identified using hadronic decays of the recoil $B$ meson in 2019 -- 2021 Belle II data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +580

We present results on the semileptonic decays $B^{0} \to I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ and $B^{+} \to I ¨ ^{0} ℓ^{+} I^½_{ℓ}$ in a sample corresponding to 189.9/fb of Belle II data at the SuperKEK…

physics.ins-det2018

First Measurements of Beam Backgrounds at SuperKEKB

P. M. Lewis, I. Jaegle, H. Nakayama +67

The high design luminosity of the SuperKEKB electron-positron collider is expected to result in challenging levels of beam-induced backgrounds in the interaction region. Properly s…

hep-ex2025

Study of tau neutrinos and non-unitary neutrino mixing with the first six detection units of KM3NeT/ORCA

KM3NeT Collaboration, S. Aiello, A. Albert +274

Oscillations of atmospheric muon and electron neutrinos produce tau neutrinos with energies in the GeV range, which can be observed by the ORCA detector of the KM3NeT neutrino tele…

hep-ex2021

Study of $B \to D^{(*)} h$ decays using $62.8 fb^{- 1}$ of Belle II data

Belle II Collaboration, F. Abudinen, I. Adachi +549

We report measurements related to hadronic $B$ decays to final states that contain charm mesons. The analyses are performed on a $62.8 fb^{- 1}$ data set collected by the B…

hep-ex2026

Atmospheric neutrino constraints on Lorentz invariance violation with the first six detection units of KM3NeT/ORCA

KM3NeT Collaboration, O. Adriani, A. Albert +294

Lorentz invariance is a fundamental symmetry underlying both the Standard Model of particle physics and General Relativity. Testing its validity provides a direct means of searchin…

hep-ex2025

Search for an eV-scale sterile neutrino with the first six detection units of KM3NeT/ORCA

KM3NeT Collaboration, O. Adriani, A. Albert +285

The existence of an eV-scale sterile neutrino has been proposed to explain several anomalous experimental results obtained over the course of the past 25 years. The first search fo…

hep-ex2022

Determination of $∣ V_{u b} ∣$ from untagged $B^{0} \to I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ decays using 2019-2021 Belle II data

Belle II Collaboration, K. Adamczyk, L. Aggarwal +588

We present an analysis of the charmless semileptonic decay $B^{0} \to I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ , where $ℓ = e, I^¼$ , from 198.0 million pairs of $B B ˉ$ mesons recorded by the Belle…

astro-ph.IM2025

The Online Data Filter for the KM3NeT Neutrino Telescopes

O. Adriani, S. Aiello, A. Albert +279

The KM3NeT research infrastructure comprises two neutrino telescopes located in the deep waters of the Mediterranean Sea, namely ORCA and ARCA. KM3NeT/ORCA is designed for the meas…

hep-ex2025

gSeaGen code by KM3NeT: an efficient tool to propagate muons simulated with CORSIKA

S. Aiello, A. Albert, A. R. Alhebsi +260

The KM3NeT Collaboration has tackled a common challenge faced by the astroparticle physics community, namely adapting the experiment-specific simulation software to work with the C…

astro-ph.IM2016

Letter of Intent for KM3NeT 2.0

S. AdriÃ¡n-MartÃnez, M. Ageron, F. Aharonian +244

The main objectives of the KM3NeT Collaboration are i) the discovery and subsequent observation of high-energy neutrino sources in the Universe and ii) the determination of the mas…

hep-ex2022

Measurement of the branching fraction of the $B^{0} \to K_{S}^{0} I ¨ ^{0} I^^{3}$ decay using 190 fb $^{- 1}$ of Belle II data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +590

We report the measurement of the branching fraction of the $B^{0} \to K_{S}^{0} I ¨ ^{0} I^^{3}$ decay in $e^{+} e^{-} \to I^¥ (4 S) \to B B$ data recorded by the Belle II experiment at the…

astro-ph.HE2025

KM3NeT Constraint on Lorentz-Violating Superluminal Neutrino Velocity

KM3NeT Collaboration, O. Adriani, S. Aiello +290

Lorentz invariance is a fundamental symmetry of spacetime and foundational to modern physics. One of its most important consequences is the constancy of the speed of light. This in…

hep-ex2020

A calibration of the Belle II hadronic tag-side reconstruction algorithm with $B \to X ℓ I^½$ decays

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +540

Tag-side reconstruction is an important method for reconstructing $B$ meson decays with missing energy. The Belle II tag-side reconstruction algorithm, Full Event Interpretation, r…

hep-ex2021

Angular analysis of $B^{+} \to I ¨ ^{+} I ¨ ^{0}$ decays reconstructed in 2019-2020 Belle II data

Belle II collaboration, F. AbudinÃ©n, I. Adachi +549

We report on the first Belle II measurement of the branching fraction ( $B$ ) and longitudinal polarization fraction ( $f_{L}$ ) of $B^{+} \to I ¨ ^{+} I ¨ ^{0}$ decays. We reconstruct $B^…

hep-ex2023

Measurement of the $B^{0} \to D^{*-} ℓ^{+} I^½_{ℓ}$ branching ratio and $∣ V_{c b} ∣$ with a fully reconstructed accompanying $B$ meson in 2019-2021 Belle II data

F. AbudinÃ©n, I. Adachi, K. Adamczyk +581

We present a measurement of the $B^{0} \to D^{*-} ℓ^{+} I^½_{ℓ}$ ( $ℓ = e, I^¼$ ) branching ratio and of the CKM parameter $∣ V_{c b} ∣$ using signal decays accompanied by a…

astro-ph.HE2021

The KM3NeT potential for the next core-collapse supernova observation with neutrinos

KM3NeT Collaboration, S. Aiello, A. Albert +245

The KM3NeT research infrastructure is under construction in the Mediterranean Sea. It consists of two water Cherenkov neutrino detectors, ARCA and ORCA, aimed at neutrino astrophys…

hep-ex2021

Measurements of branching fractions and CP-violating charge asymmetries in multibody charmless $B$ decays reconstructed in 2019-2020 Belle II data

Belle II collaboration, F. AbudinÃ©n, I. Adachi +549

We report on measurements of branching fractions ( $B$ ) and CP-violating charge asymmetries ( $A_{CP}$ ) of multibody charmless $B$ decays reconstructed by the…

physics.ins-det2021

SiPM-matrix readout of two-phase argon detectors using electroluminescence in the visible and near infrared range

The DarkSide collaboration, C. E. Aalseth, S. Abdelhakim +312

Proportional electroluminescence (EL) in noble gases is used in two-phase detectors for dark matter searches to record (in the gas phase) the ionization signal induced by particle…

hep-ex2024

Measurement of neutrino oscillation parameters with the first six detection units of KM3NeT/ORCA

KM3NeT Collaboration, S. Aiello, A. Albert +260

KM3NeT/ORCA is a water Cherenkov neutrino detector under construction and anchored at the bottom of the Mediterranean Sea. The detector is designed to study oscillations of atmosph…

hep-ex2022

First decay-time-dependent analysis of $B^{0} \to K_{S}^{0} I ¨ ^{0}$ at Belle II

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +590

We report measurements of the branching fraction ( $B$ ) and direct $C P$ -violating asymmetry ( $A_{C P}$ ) of the charmless decay $B^{0} \to K^{0} I ¨ ^{0}$ at Belle II. A sample of…

hep-ex2021

Exclusive $B \to X_{u} ℓ I^½_{ℓ}$ Decays with Hadronic Full-event-interpretation Tagging in 62.8 fb $^{- 1}$ of Belle II Data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +565

We present a reconstruction in early data of the semileptonic decay $B^{+} \to I ¨ ^{0} ℓ^{+} I^½_{ℓ}$ , and first results of a reconstruction of the decays $B^{+} \to I ¨ ^{0} ℓ^{+} I^½_{ℓ}$ …

hep-ex2020

Search for Axion-Like Particles produced in $e^{+} e^{-}$ collisions at Belle II

Belle II collaboration, F. Abudinen, I. Adachi +334

We present a search for the direct production of a light pseudoscalar $a$ decaying into two photons with the Belle II detector at the SuperKEKB collider. We search for the process…

hep-ex2019

Measurement of the integrated luminosity of the Phase 2 data of the Belle II experiment

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +420

From April to July 2018, a data sample at the peak energy of the $I^¥ (4 S)$ resonance was collected with the Belle~II detector at the SuperKEKB electron-positron collider. This is th…

astro-ph.HE2026

Constraining gamma-ray burst parameters with the first ultra-high energy neutrino event KM3-230213A

KM3NeT Collaboration, O. Adriani, A. Albert +278

Context: The detection of the highest energy neutrino observed to date by KM3NeT, with an estimated energy of 220 PeV, opens up new possibilities for the study and identification o…

hep-ex2021

Measurement of the branching fraction for $B^{0} \to I ¨ ^{0} I ¨ ^{0}$ decays reconstructed in 2019-2020 Belle II data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +551

We report the first reconstruction of the $B^{0} \to I ¨ ^{0} I ¨ ^{0}$ decay mode at Belle II using samples of 2019 and 2020 data that correspond to 62.8 fb $^{- 1}$ of integrated lumin…

hep-ex2021

$I ¨ $ lepton mass measurement at Belle II

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +539

The reconstruction of tau-pair production, $e^{+} e^{-} \to I ¨ ^{+} I ¨ ^{-}$ , from the subsequent 3-prong ( $I ¨ ^{+} \to I ¨ ^{+} I ¨ ^{-} I ¨ ^{+} I^ˉ ½_{I ¨} $ ) and 1-prong ($Ï^{-} \to…

astro-ph.IM2023

Embedded Software of the KM3NeT Central Logic Board

S. Aiello, A. Albert, S. Alves Garre +271

The KM3NeT Collaboration is building and operating two deep sea neutrino telescopes at the bottom of the Mediterranean Sea. The telescopes consist of latices of photomultiplier tub…

hep-ex2021

Determining the Neutrino Mass Ordering and Oscillation Parameters with KM3NeT/ORCA

S. Aiello, A. Albert, S. Alves Garre +239

The next generation of water Cherenkov neutrino telescopes in the Mediterranean Sea are under construction offshore France (KM3NeT/ORCA) and Sicily (KM3NeT/ARCA). The KM3NeT/ORCA d…

astro-ph.IM2015

The prototype detection unit of the KM3NeT detector

KM3NeT Collaboration, S. AdriÃ¡n-MartÃnez, M. Ageron +246

A prototype detection unit of the KM3NeT deep-sea neutrino telescope has been installed at 3500m depth 80km offshore the Italian coast. KM3NeT in its final configuration will conta…

hep-ex2020

Charmless $B$ decay reconstruction in 2019 Belle II data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +533

We report on the reconstruction of various charmless $B$ decays from electron-positron collisions at the energy corresponding to the $I^¥ (4 S)$ resonance collected with the Belle II…

astro-ph.HE2024

Search for Neutrino Emission from GRB 221009A using the KM3NeT ARCA and ORCA detectors

S. Aiello, A. Albert, M. Alshamsi +273

Gamma-ray bursts are promising candidate sources of high-energy astrophysical neutrinos. The recent GRB 221009A event, identified as the brightest gamma-ray burst ever detected, pr…

hep-ex2020

Exclusive $B^{0} \to I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ Decays with Hadronic Full Event Interpretation Tagging in 34.6 fb $^{- 1}$ of Belle II Data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +541

We present the results of the re-discovery of the decay $B^{0} \to I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ in 34.6 fb $^{- 1}$ of Belle II data using hadronic $B$ -tagging via the Full Event Interpretatio…

hep-ex2020

Rediscovery of $B \to I ¨ K^{()}$ decays and measurement of the longitudinal polarization fraction $f_{L}$ in $B \to I ¨ K^{}$ decays using the Summer 2020 Belle II dataset

F. AbudinÃ©n, I. Adachi, R. Adak +538

We utilize a sample of 34.6 fb $^{- 1}$ , collected by the Belle II experiment at the SuperKEKB asymmetric energy $e^{+} e^{-}$ collider, to search for the $B^{+} \to I ¨ K^{+}$ , $B^+ \to ÏK^{*…

hep-ex2021

Combined sensitivity of JUNO and KM3NeT/ORCA to the neutrino mass ordering

KM3NeT Collaboration, S. Aiello, A. Albert +275

This article presents the potential of a combined analysis of the JUNO and KM3NeT/ORCA experiments to determine the neutrino mass ordering. This combination is particularly interes…

hep-ex2023

Probing invisible neutrino decay with KM3NeT-ORCA

KM3NeT Collaboration, S. Aiello, A. Albert +252

In the era of precision measurements of the neutrino oscillation parameters, upcoming neutrino experiments will also be sensitive to physics beyond the Standard Model. KM3NeT/ORCA…

astro-ph.HE2021

Implementation and first results of the KM3NeT real-time core-collapse supernova neutrino search

KM3NeT Collaboration, S. Aiello, A. Albert +242

The KM3NeT research infrastructure is under construction in the Mediterranean Sea. KM3NeT will study atmospheric and astrophysical neutrinos with two multi-purpose neutrino detecto…

hep-ex2026

Testing Heavy Dark Matter Decay as the Origin of KM3-230213A

KM3NeT Collaboration, O. Adriani, J. A. Aguilar +287

This work explores the hypothesis that the ultra-high-energy neutrino event KM3-230213A originates from the decay of a heavy dark matter particle with a mass above PeV scale. The a…

hep-ex2020

Measurement of the branching fraction $B (B ˉ^{0} \to D^{*+} ℓ^{-} I^ˉ ½_{ℓ})$ with early Belle II data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +533

We measure the branching fractions for the decays $B ˉ^{0} \to D^{*+} e^{-} I^ˉ ½_{e}$ and $B ˉ^{0} \to D^{*+} I^¼^{-} I^ˉ ½_{I^} ¼$ using $8.70 \pm 0.09 fb^{- 1}$ of data coll…

hep-ex2022

Measurement of decay-time dependent $C P$ violation in $B^{0} \to K_{S}^{0} K_{S}^{0} K_{S}^{0}$ using 2019--2021 Belle II data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +590

We report a measurement of decay-time dependent $C P$ -violating parameters in $B^{0} \to K_{S}^{0} K_{S}^{0} K_{S}^{0}$ decays. We use $(198.0 \pm 3.0) \times 1 0^{6} B B$ pairs c…

hep-ex2022

Measurement of the branching fraction for the decay $B \to K^{*} (892) ℓ^{+} ℓ^{-}$ at Belle II

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +590

We report a measurement of the branching fraction of $B \to K^{*} (892) ℓ^{+} ℓ^{-}$ decays, where $ℓ^{+} ℓ^{-} = I^¼^{+} I^¼^{-}$ or $e^{+} e^{-}$ , using electron-positron collisions recor…

physics.ins-det2022

ATHENA Detector Proposal -- A Totally Hermetic Electron Nucleus Apparatus proposed for IP6 at the Electron-Ion Collider

ATHENA Collaboration, J. Adam, L. Adamczyk +433

ATHENA has been designed as a general purpose detector capable of delivering the full scientific scope of the Electron-Ion Collider. Careful technology choices provide fine trackin…

physics.ins-det2014

Measurement of the atmospheric muon depth intensity relation with the NEMO Phase-2 tower

S. Aiello, F. Ameli, M. Anghinolfi +90

The results of the analysis of the data collected with the NEMO Phase-2 tower, deployed at 3500 m depth about 80 km off-shore Capo Passero (Italy), are presented. Cherenkov photons…

hep-ex2022

Measurement of Branching Fraction and Longitudinal Polarization in $B^{0} \to I ¨ ^{+} I ¨ ^{-}$ Decays at Belle II

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +584

We present a measurement of the branching fraction and longitudinal polarization of $B^{0} \to I ¨ ^{+} I ¨ ^{-}$ decays. SuperKEKB electron-positron collision data corresponding to 189~fb$^…

astro-ph.IM2021

Nanobeacon: A time calibration device for the KM3NeT neutrino telescope

S. Aiello, A. Albert, M. Alshamsi +238

The KM3NeT Collaboration is currently constructing a multi-site high-energy neutrino telescope in the Mediterranean Sea consisting of matrices of pressure-resistant glass spheres,…

physics.ins-det2016

Long term monitoring of the optical background in the Capo Passero deep-sea site with the NEMO tower prototype

S. AdriÃ¡n-MartÃnez, S. Aiello, F. Ameli +101

The NEMO Phase-2 tower is the first detector which was operated underwater for more than one year at the "record" depth of 3500 m. It was designed and built within the framework of…

hep-ex2025

Search for non-standard neutrino interactions with the first six detection units of KM3NeT/ORCA

S. Aiello, A. Albert, A. R. Alhebsi +261

KM3NeT/ORCA is an underwater neutrino telescope under construction in the Mediterranean Sea. Its primary scientific goal is to measure the atmospheric neutrino oscillation paramete…

hep-ex2021

Measurement of the time-integrated mixing probability $I ¨ _{d}$ with a semileptonic double-tagging strategy and $34.6 fb^{- 1}$ of Belle II collision data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +550

We present the first measurement of the time-integrated mixing probability $I ¨ _{d}$ using Belle II data collected at a center-of-mass (CM) energy of 10.58 GeV, corresponding to the m…

hep-ex2020

Measurement of Hadronic Mass Moments $⟨ M_{X}^{n} ⟩$ in $B \to X_{c} ℓ I^½$ Decays at Belle II

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +540

We present measurements of the first six hadronic mass moments in semileptonic $B \to X_{c} ℓ I^½$ decays. The hadronic mass moments, together with other observables of inc…

astro-ph.IM2023

The Power Board of the KM3NeT Digital Optical Module: design, upgrade, and production

S. Aiello, A. Albert, S. Alves Garre +281

The KM3NeT Collaboration is building an underwater neutrino observatory at the bottom of the Mediterranean Sea consisting of two neutrino telescopes, both composed of a three-dimen…

hep-ex2020

Measurement of the $B^{0}$ lifetime using fully reconstructed hadronic decays in the 2019 Belle II dataset

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +534

This document presents the measurement of $B^{0}$ meson lifetimes using the 2019 Belle II dataset that corresponds to an integrated luminosity of $8.7 \pm 0.2$ fb $^{- 1}$ . Each candid…

astro-ph.HE2026

Optimizing the potential of KM3NeT in detecting core-collapse supernovae

KM3NeT Collaboration, O. Adriani, A. Albert +285

Core-collapse supernovae mark the end of life of massive stars. However, despite their importance in astrophysics, their underlying mechanisms remain unclear. Neutrinos that emerge…

astro-ph.IM2020

Design and construction of a new detector to measure ultra-low radioactive-isotope contamination of argon

The DarkSide Collaboration, C. E. Aalseth, S. Abdelhakim +328

Large liquid argon detectors offer one of the best avenues for the detection of galactic weakly interacting massive particles (WIMPs) via their scattering on atomic nuclei. The liq…

hep-ex2021

Measurements of branching fractions and direct CP asymmetries in $B^{0} \to K^{+} I ¨ ^{-}$ , $B^{+} \to K_{S}^{0} I ¨ ^{+}$ and $B^{0} \to I ¨ ^{+} I ¨ ^{-}$ using 2019 and 2020 data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +549

We report updated measurements of branching fractions ( $B$ ) and CP-violating charge asymmetries ( $A_{CP}$ ) for charmless $B$ decays at Belle II, which opera…

astro-ph.IM2019

KM3NeT front-end and readout electronics system: hardware, firmware and software

The KM3NeT Collaboration, S. Aiello, F. Ameli +237

The KM3NeT research infrastructure being built at the bottom of the Mediterranean Sea will host water-Cherenkov telescopes for the detection of cosmic neutrinos. The neutrino teles…

physics.ins-det2018

Dark matter search in a Beam-Dump eXperiment (BDX) at Jefferson Lab: an update on PR12-16-001

M. Battaglieri, A. Bersani, G. Bracco +123

This document is an update to the proposal PR12-16-001 Dark matter search in a Beam-Dump eXperiment (BDX) at Jefferson Lab submitted to JLab-PAC44 in 2016 reporting progress in add…

hep-ex2021

Sensitivity to light sterile neutrino mixing parameters with KM3NeT/ORCA

S. Aiello, A. Albert, M. Alshamsi +245

KM3NeT/ORCA is a next-generation neutrino telescope optimised for atmospheric neutrino oscillations studies. In this paper, the sensitivity of ORCA to the presence of a light steri…

physics.ins-det2021

Science Requirements and Detector Concepts for the Electron-Ion Collider: EIC Yellow Report

R. Abdul Khalek, A. Accardi, J. Adam +410

This report describes the physics case, the resulting detector requirements, and the evolving detector concepts for the experimental program at the Electron-Ion Collider (EIC). The…

hep-ex2022

Measurement of the branching fractions and $C P$ asymmetries of $B^{+} \to I ¨ ^{+} I ¨ ^{0}$ and $B^{+} \to K^{+} I ¨ ^{0}$ decays in 2019-2021 Belle II data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +582

We determine the branching fractions $B$ and $C P$ asymmetries $A_{CP}$ of the decays $B^{+} \to I ¨ ^{+} I ¨ ^{0}$ and $B^{+} \to K^{+} I ¨ ^{0}$ . The res…

hep-ex2020

First flavor tagging calibration using 2019 Belle II data

Belle II Collaboration, F. AbudinÃ©n, I. Adachi +540

We report on the first calibration of the standard Belle II $B$ -flavor tagger using the full data set collected at the $I^¥ (4 S)$ resonance in 2019 with the Belle II detector a…

astro-ph.HE2024

Searches for neutrino counterparts of gravitational waves from the LIGO/Virgo third observing run with KM3NeT

KM3NeT Collaboration, S. Aiello, A. Albert +273

The KM3NeT neutrino telescope is currently being deployed at two different sites in the Mediterranean Sea. First searches for astrophysical neutrinos have been performed using data…

physics.ins-det2020

Dependence of atmospheric muon flux on seawater depth measured with the first KM3NeT detection units

KM3NeT Collaboration, M. Ageron, S. Aiello +262

KM3NeT is a research infrastructure located in the Mediterranean Sea, that will consist of two deep-sea Cherenkov neutrino detectors. With one detector (ARCA), the KM3NeT Collabora…

hep-ex2022

Measurements of the branching fraction, isospin asymmetry, and lepton-universality ratio in $B \to J / I ¨ K$ decays at Belle II

We report a study of $B \to J / I ¨ (ℓ^{+} ℓ^{-}) K$ decays, where $ℓ$ represents an electron or a muon, using $e^{+} e^{-}$ collisions at the $I^¥ (4 S)$ resonance. The data were c…

astro-ph.HE2025

On the Potential Galactic Origin of the Ultra-High-Energy Event KM3-230213A

O. Adriani, S. Aiello, A. Albert +286

The KM3NeT observatory detected the most energetic neutrino candidate ever observed, with an energy between 72 PeV and 2.6 EeV at the 90% confidence level. The observed neutrino is…

astro-ph.HE2024

Prospects for combined analyses of hadronic emission from $I^^{3}$ -ray sources in the Milky Way with CTA and KM3NeT

T. Unbehaun, L. Mohrmann, S. Funk +271

The Cherenkov Telescope Array and the KM3NeT neutrino telescopes are major upcoming facilities in the fields of $I^^{3}$ -ray and neutrino astronomy, respectively. Possible simultaneous…

hep-ex2022

Determination of $∣ V_{c b} ∣$ from $B \to D ℓ I^½$ decays using 2019-2021 Belle II data

We present a determination of the magnitude of the Cabibbo-Kobayashi-Maskawa (CKM) matrix element $V_{c b}$ using $B \to D ℓ I^½$ decays. The result is based on $e^{+} e^{-} \to I^¥ (4 S)$ dat…

astro-ph.IM2014

Deep sea tests of a prototype of the KM3NeT digital optical module

S. AdriÃ¡n-MartÃnez, M. Ageron, F. Aharonian +247

The first prototype of a photo-detection unit of the future KM3NeT neutrino telescope has been deployed in the deep waters of the Mediterranean Sea. This digital optical module has…

astro-ph.HE2025

The ultra-high-energy event KM3-230213A within the global neutrino landscape

KM3NeT Collaboration, O. Adriani, S. Aiello +290

On February 13th, 2023, the KM3NeT/ARCA telescope detected a neutrino candidate with an estimated energy in the hundreds of PeVs. In this article, the observation of this ultra-hig…

astro-ph.IM2021

Supernova Model Discrimination with Hyper-Kamiokande

Kamiokande Collaboration, K. Abe, P. Adrich +499

Core-collapse supernovae are among the most magnificent events in the observable universe. They produce many of the chemical elements necessary for life to exist and their remnants…

hep-ex2020

Measurement of the semileptonic $B ˉ^{0} \to D^{*+} ℓ^{-} I^½_{ℓ}$ branching fraction with fully reconstructed $B$ meson decays and 34.6 fb $^{- 1}$ of Belle II data

Belle II Collaboration, F. Abudinen, I. Adachi +540

We present a first measurement of the $B^{0} ˉ \to D^{*+} ℓ^{-} I^½_{ℓ}$ branching fraction using fully reconstructed $B$ meson decays employing the Full Event Int…

hep-ex2025

Probing invisible neutrino decay with the first six detection units of KM3NeT/ORCA

S. Aiello, A. Albert, A. R. Alhebsi +273

In the era of precision measurements of neutrino oscillation parameters, it is necessary for experiments to disentangle discrepancies that may indicate physics beyond the Standard…

astro-ph.HE2025

First Searches for Dark Matter with the KM3NeT Neutrino Telescopes

KM3NeT Collaboration, S. Aiello, A. Albert +262

Indirect dark matter detection methods are used to observe the products of dark matter annihilations or decays originating from astrophysical objects where large amounts of dark ma…

physics.ins-det2019

Dark matter search in a Beam-Dump eXperiment (BDX) at Jefferson Lab -- 2018 update to PR12-16-001

M. Battaglieri, A. Bersani, G. Bracco +122

This document complements and completes what was submitted last year to PAC45 as an update to the proposal PR12-16-001 "Dark matter search in a Beam-Dump eXperiment (BDX)" at Jeffe…

hep-ex2022

Measurement of the photon-energy spectrum in inclusive $B \to X_{s} I^^{3}$ decays identified using hadronic decays of the recoil $B$ meson in 2019-2021 Belle II data

We measure the photon-energy spectrum in radiative bottom-meson ( $B$ ) decays into inclusive final states involving a strange hadron and a photon. We use SuperKEKB electron-positron…

hep-ex2021

Measurements of the branching fractions for $B \to K^{*} I^^{3}$ decays at Belle II

This paper reports a study of $B \to K^{*} I^^{3}$ decays using $62.8 \pm 0.6$ fb $^{- 1}$ of data collected during 2019--2020 by the Belle II experiment at the SuperKEKB $e^{+} e^{-}$ asym…

hep-ex2021

Rediscovery of $B^{0} \to J / I ¨ K_{L}^{0}$ at Belle II

We present preliminary results on the reconstruction of the $B^{0} \to J / I ¨ K_{L}^{0}$ decay, where $J / I ¨ \to I^¼^{+} I^¼^{-}$ or $…

hep-ex2024

Search for quantum decoherence in neutrino oscillations with six detection units of KM3NeT/ORCA

S. Aiello, A. Albert, A. R. Alhebsi +259

Neutrinos described as an open quantum system may interact with the environment which introduces stochastic perturbations to their quantum phase. This mechanism leads to a loss of…

hep-ex2022

Angular analysis of $B^{+} \to I ¨ ^{+} I ¨ ^{0}$ decays reconstructed in 2019, 2020, and 2021 Belle II data

We report on a Belle II measurement of the branching fraction ( $B$ ), longitudinal polarization fraction ( $f_{L}$ ), and CP asymmetry ( $A_{C P}$ ) of $B^+\to Ï^+Ï^0…

hep-ex2021

First search for direct $C P$ -violating asymmetry in $B^{0} \to K^{0} I ¨ ^{0}$ decays at Belle II

We report on the first measurement of the direct $C P$ -violating asymmetry ( $A$ ) in the charmless decay $B^{0} \to K^{0} I ¨ ^{0}$ at Belle II and an updated measurement of its bra…

hep-ex2021

Measurement of the branching fractions of $B \to I^\cdot^{'} K$ decays using 2019/2020 Belle II data

This note describes the rediscovery of $B \to I^\cdot^{'} K$ decays in Belle II data, both in the charged and neutral final state: $B_{0} \to I^\cdot^{'} K_{S}$ and $B^{\pm} \to I^\cdot^{'} K^{\pm}$ . The $I^\cdot^{'}$ is searc…

physics.ins-det2017

Intrinsic limits on resolutions in muon- and electron-neutrino charged-current events in the KM3NeT/ORCA detector

S. AdriÃ¡n-MartÃnez, M. Ageron, S. Aiello +250

Studying atmospheric neutrino oscillations in the few-GeV range with a multimegaton detector promises to determine the neutrino mass hierarchy. This is the main science goal pursue…

hep-ex2020

Studies of the semileptonic $B ˉ^{0} \to D^{*+} ℓ^{-} I^ˉ ½_{ℓ}$ and $B^{-} \to D^{0} ℓ^{-} I^ˉ ½_{ℓ}$ decay processes with 34.6 fb $^{- 1}$ of Belle II data

We report measurements of the $B ˉ^{0} \to D^{*+} ℓ^{-} I^ˉ ½_{l}$ and $B^{-} \to D^{0} ℓ^{-} I^ˉ ½_{l}$ processes using 34.6 fb $^{- 1}$ of collision events recorded by the Bell…

astro-ph.IM2020

Deep-sea deployment of the KM3NeT neutrino telescope detection units by self-unrolling

The KM3NeT Collaboration, S. Aiello, A. Albert +252

KM3NeT is a research infrastructure being installed in the deep Mediterranean Sea. It will house a neutrino telescope comprising hundreds of networked moorings - detection units or…

astro-ph.HE2024

Astronomy potential of KM3NeT/ARCA

S. Aiello, A. Albert, M. Alshamsi +275

The KM3NeT/ARCA neutrino detector is currently under construction at 3500 m depth offshore Capo Passero, Sicily, in the Mediterranean Sea. The main science objectives are the detec…

hep-ex2021

Measurements of branching fractions and direct $CP$ -violating asymmetries in $B^+ \to K^+ Ï^0~\mbox{and}~Ï^+ Ï^0$ decays using 2019 and 2020 Belle II data

We report measurements of branching fractions ( $B$ ) and direct $CP$ -violating asymmetries ( $A_{CP}$ ) for the decays $B^{+} \to K^{+} I ¨ ^{0}$ and $B^+ \to Ï^+Ï…

hep-ex2022

Study of Exclusive $B \to I ¨ e^{+} I^½_{e}$ Decays with Hadronic Full-event-interpretation Tagging in 189.3 fb $^{- 1}$ of Belle II Data

We present a reconstruction of the semileptonic decays $B^{0} \to I ¨ ^{-} e^{+} I^½_{e}$ and $B^{+} \to I ¨ ^{0} e^{+} I^½_{e}$ in a sample corresponding to 189.3 fb $^{- 1}$ of Belle II data, using even…

astro-ph.HE2019

Sensitivity of the KM3NeT/ARCA neutrino telescope to point-like neutrino sources

The KM3NeT Collaboration, S. Aiello, S. E. Akrame +219

KM3NeT will be a network of deep-sea neutrino telescopes in the Mediterranean Sea. The KM3NeT/ARCA detector, to be installed at the Capo Passero site (Italy), is optimised for the…

hep-ex2020

Measurements of branching fractions and CP-violating charge asymmetries in charmless $B$ decays reconstructed in 2019--2020 Belle~II data

We report on first measurements of branching fractions~( $B$ ) and CP-violating charge asymmetries~( $A$ ) in charmless $B$ decays at Belle~II. We use a sample of e…

physics.ins-det2018

The Monitoring System of the End-Cap Calorimeter in the Belle II experiment

V. Izzo, A. Aloisio, F. Ameli +10

The Belle II experiment is presently in phase-2 operation at the SuperKEKB electron-positron collider in KEK (Tsukuba, Japan). The detector is an upgrade of the Belle experiment at…

astro-ph.IM2010

Measurement of the atmospheric muon flux with the NEMO Phase-1 detector

S. Aiello, F. Ameli, I. Amore +85

The NEMO Collaboration installed and operated an underwater detector including prototypes of the critical elements of a possible underwater km3 neutrino telescope: a four-floor tow…

Publications (92)

The Control Unit of the KM3NeT Data Acquisition System

NaNet: a Low-Latency, Real-Time, Multi-Standard Network Interface Card with GPUDirect Features

The Hyper-Kamiokande Experiment -- Snowmass LOI

Reconstruction of B→I¨ℓI^½ℓ​ decays identified using hadronic decays of the recoil B meson in 2019 -- 2021 Belle II data

First Measurements of Beam Backgrounds at SuperKEKB

Study of tau neutrinos and non-unitary neutrino mixing with the first six detection units of KM3NeT/ORCA

Study of B→D(∗)h decays using 62.8 fb−1 of Belle II data

Atmospheric neutrino constraints on Lorentz invariance violation with the first six detection units of KM3NeT/ORCA

Search for an eV-scale sterile neutrino with the first six detection units of KM3NeT/ORCA

Determination of ∣Vub​∣ from untagged B0→I¨−ℓ+I^½ℓ​ decays using 2019-2021 Belle II data

The Online Data Filter for the KM3NeT Neutrino Telescopes

gSeaGen code by KM3NeT: an efficient tool to propagate muons simulated with CORSIKA

Letter of Intent for KM3NeT 2.0

Measurement of the branching fraction of the B0→KS0​I¨0I^3 decay using 190 fb−1 of Belle II data

KM3NeT Constraint on Lorentz-Violating Superluminal Neutrino Velocity

A calibration of the Belle II hadronic tag-side reconstruction algorithm with B→XℓI^½ decays

Angular analysis of B+→I¨+I¨0 decays reconstructed in 2019-2020 Belle II data

Measurement of the B0→D∗−ℓ+I^½ℓ​ branching ratio and ∣Vcb​∣ with a fully reconstructed accompanying B meson in 2019-2021 Belle II data

The KM3NeT potential for the next core-collapse supernova observation with neutrinos

Measurements of branching fractions and CP-violating charge asymmetries in multibody charmless B decays reconstructed in 2019-2020 Belle II data

SiPM-matrix readout of two-phase argon detectors using electroluminescence in the visible and near infrared range

Measurement of neutrino oscillation parameters with the first six detection units of KM3NeT/ORCA

First decay-time-dependent analysis of B0→KS0​I¨0 at Belle II

Exclusive B→Xu​ℓI^½ℓ​ Decays with Hadronic Full-event-interpretation Tagging in 62.8 fb−1 of Belle II Data

Search for Axion-Like Particles produced in e+e− collisions at Belle II

Measurement of the integrated luminosity of the Phase 2 data of the Belle II experiment

Constraining gamma-ray burst parameters with the first ultra-high energy neutrino event KM3-230213A

Measurement of the branching fraction for B0→I¨0I¨0 decays reconstructed in 2019-2020 Belle II data

I¨ lepton mass measurement at Belle II

Embedded Software of the KM3NeT Central Logic Board

Determining the Neutrino Mass Ordering and Oscillation Parameters with KM3NeT/ORCA

The prototype detection unit of the KM3NeT detector

Charmless B decay reconstruction in 2019 Belle II data

Search for Neutrino Emission from GRB 221009A using the KM3NeT ARCA and ORCA detectors

Exclusive B0→I¨−ℓ+I^½ℓ​ Decays with Hadronic Full Event Interpretation Tagging in 34.6 fb−1 of Belle II Data

Rediscovery of B→I¨K(∗) decays and measurement of the longitudinal polarization fraction fL​ in B→I¨K∗ decays using the Summer 2020 Belle II dataset

Combined sensitivity of JUNO and KM3NeT/ORCA to the neutrino mass ordering

Probing invisible neutrino decay with KM3NeT-ORCA

Implementation and first results of the KM3NeT real-time core-collapse supernova neutrino search

Testing Heavy Dark Matter Decay as the Origin of KM3-230213A

Measurement of the branching fraction B(Bˉ0→D∗+ℓ−I^ˉ½ℓ​) with early Belle II data

Measurement of decay-time dependent CP violation in B0→KS0​KS0​KS0​ using 2019--2021 Belle II data

Measurement of the branching fraction for the decay B→K∗(892)ℓ+ℓ− at Belle II

ATHENA Detector Proposal -- A Totally Hermetic Electron Nucleus Apparatus proposed for IP6 at the Electron-Ion Collider

Measurement of the atmospheric muon depth intensity relation with the NEMO Phase-2 tower

Measurement of Branching Fraction and Longitudinal Polarization in B0→I¨+I¨− Decays at Belle II

Nanobeacon: A time calibration device for the KM3NeT neutrino telescope

Long term monitoring of the optical background in the Capo Passero deep-sea site with the NEMO tower prototype

Search for non-standard neutrino interactions with the first six detection units of KM3NeT/ORCA

Measurement of the time-integrated mixing probability I¨d​ with a semileptonic double-tagging strategy and 34.6fb−1 of Belle II collision data

Measurement of Hadronic Mass Moments ⟨MXn​⟩ in B→Xc​ℓI^½ Decays at Belle II

The Power Board of the KM3NeT Digital Optical Module: design, upgrade, and production

Measurement of the B0 lifetime using fully reconstructed hadronic decays in the 2019 Belle II dataset

Optimizing the potential of KM3NeT in detecting core-collapse supernovae

Design and construction of a new detector to measure ultra-low radioactive-isotope contamination of argon

Measurements of branching fractions and direct CP asymmetries in B0→K+I¨−, B+→KS0​I¨+ and B0→I¨+I¨− using 2019 and 2020 data

KM3NeT front-end and readout electronics system: hardware, firmware and software

Dark matter search in a Beam-Dump eXperiment (BDX) at Jefferson Lab: an update on PR12-16-001

Sensitivity to light sterile neutrino mixing parameters with KM3NeT/ORCA

Science Requirements and Detector Concepts for the Electron-Ion Collider: EIC Yellow Report

Measurement of the branching fractions and CP asymmetries of B+→I¨+I¨0 and B+→K+I¨0 decays in 2019-2021 Belle II data

First flavor tagging calibration using 2019 Belle II data

Searches for neutrino counterparts of gravitational waves from the LIGO/Virgo third observing run with KM3NeT

Dependence of atmospheric muon flux on seawater depth measured with the first KM3NeT detection units

Measurements of the branching fraction, isospin asymmetry, and lepton-universality ratio in B→J/I¨K decays at Belle II

On the Potential Galactic Origin of the Ultra-High-Energy Event KM3-230213A

Prospects for combined analyses of hadronic emission from I^3-ray sources in the Milky Way with CTA and KM3NeT

Determination of ∣Vcb​∣ from B→DℓI^½ decays using 2019-2021 Belle II data

Deep sea tests of a prototype of the KM3NeT digital optical module

The ultra-high-energy event KM3-230213A within the global neutrino landscape

Supernova Model Discrimination with Hyper-Kamiokande

Measurement of the semileptonic Bˉ0→D∗+ℓ−I^½ℓ​ branching fraction with fully reconstructed B meson decays and 34.6 fb−1of Belle II data

Probing invisible neutrino decay with the first six detection units of KM3NeT/ORCA

First Searches for Dark Matter with the KM3NeT Neutrino Telescopes

Dark matter search in a Beam-Dump eXperiment (BDX) at Jefferson Lab -- 2018 update to PR12-16-001

Measurement of the photon-energy spectrum in inclusive B→Xs​I^3 decays identified using hadronic decays of the recoil B meson in 2019-2021 Belle II data

Measurements of the branching fractions for B→K∗I^3 decays at Belle II

Rediscovery of B0→J/I¨KL0​ at Belle II

Search for quantum decoherence in neutrino oscillations with six detection units of KM3NeT/ORCA

Reconstruction of $B \to I ¨ ℓ I^½_{ℓ}$ decays identified using hadronic decays of the recoil $B$ meson in 2019 -- 2021 Belle II data

Study of $B \to D^{(*)} h$ decays using $62.8 fb^{- 1}$ of Belle II data

Determination of $∣ V_{u b} ∣$ from untagged $B^{0} \to I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ decays using 2019-2021 Belle II data

Measurement of the branching fraction of the $B^{0} \to K_{S}^{0} I ¨ ^{0} I^^{3}$ decay using 190 fb $^{- 1}$ of Belle II data

A calibration of the Belle II hadronic tag-side reconstruction algorithm with $B \to X ℓ I^½$ decays

Angular analysis of $B^{+} \to I ¨ ^{+} I ¨ ^{0}$ decays reconstructed in 2019-2020 Belle II data

Measurement of the $B^{0} \to D^{*-} ℓ^{+} I^½_{ℓ}$ branching ratio and $∣ V_{c b} ∣$ with a fully reconstructed accompanying $B$ meson in 2019-2021 Belle II data

Measurements of branching fractions and CP-violating charge asymmetries in multibody charmless $B$ decays reconstructed in 2019-2020 Belle II data

First decay-time-dependent analysis of $B^{0} \to K_{S}^{0} I ¨ ^{0}$ at Belle II

Exclusive $B \to X_{u} ℓ I^½_{ℓ}$ Decays with Hadronic Full-event-interpretation Tagging in 62.8 fb $^{- 1}$ of Belle II Data

Search for Axion-Like Particles produced in $e^{+} e^{-}$ collisions at Belle II

Measurement of the branching fraction for $B^{0} \to I ¨ ^{0} I ¨ ^{0}$ decays reconstructed in 2019-2020 Belle II data

$I ¨ $ lepton mass measurement at Belle II

Charmless $B$ decay reconstruction in 2019 Belle II data

Exclusive $B^{0} \to I ¨ ^{-} ℓ^{+} I^½_{ℓ}$ Decays with Hadronic Full Event Interpretation Tagging in 34.6 fb $^{- 1}$ of Belle II Data

Rediscovery of $B \to I ¨ K^{()}$ decays and measurement of the longitudinal polarization fraction $f_{L}$ in $B \to I ¨ K^{}$ decays using the Summer 2020 Belle II dataset

Measurement of the branching fraction $B (B ˉ^{0} \to D^{*+} ℓ^{-} I^ˉ ½_{ℓ})$ with early Belle II data

Measurement of decay-time dependent $C P$ violation in $B^{0} \to K_{S}^{0} K_{S}^{0} K_{S}^{0}$ using 2019--2021 Belle II data

Measurement of the branching fraction for the decay $B \to K^{*} (892) ℓ^{+} ℓ^{-}$ at Belle II

Measurement of Branching Fraction and Longitudinal Polarization in $B^{0} \to I ¨ ^{+} I ¨ ^{-}$ Decays at Belle II

Measurement of the time-integrated mixing probability $I ¨ _{d}$ with a semileptonic double-tagging strategy and $34.6 fb^{- 1}$ of Belle II collision data

Measurement of Hadronic Mass Moments $⟨ M_{X}^{n} ⟩$ in $B \to X_{c} ℓ I^½$ Decays at Belle II

Measurement of the $B^{0}$ lifetime using fully reconstructed hadronic decays in the 2019 Belle II dataset

Measurements of branching fractions and direct CP asymmetries in $B^{0} \to K^{+} I ¨ ^{-}$ , $B^{+} \to K_{S}^{0} I ¨ ^{+}$ and $B^{0} \to I ¨ ^{+} I ¨ ^{-}$ using 2019 and 2020 data

Measurement of the branching fractions and $C P$ asymmetries of $B^{+} \to I ¨ ^{+} I ¨ ^{0}$ and $B^{+} \to K^{+} I ¨ ^{0}$ decays in 2019-2021 Belle II data

Measurements of the branching fraction, isospin asymmetry, and lepton-universality ratio in $B \to J / I ¨ K$ decays at Belle II

Prospects for combined analyses of hadronic emission from $I^^{3}$ -ray sources in the Milky Way with CTA and KM3NeT

Determination of $∣ V_{c b} ∣$ from $B \to D ℓ I^½$ decays using 2019-2021 Belle II data

Measurement of the semileptonic $B ˉ^{0} \to D^{*+} ℓ^{-} I^½_{ℓ}$ branching fraction with fully reconstructed $B$ meson decays and 34.6 fb $^{- 1}$ of Belle II data

Measurement of the photon-energy spectrum in inclusive $B \to X_{s} I^^{3}$ decays identified using hadronic decays of the recoil $B$ meson in 2019-2021 Belle II data

Measurements of the branching fractions for $B \to K^{*} I^^{3}$ decays at Belle II

Rediscovery of $B^{0} \to J / I ¨ K_{L}^{0}$ at Belle II

Angular analysis of $B^{+} \to I ¨ ^{+} I ¨ ^{0}$ decays reconstructed in 2019, 2020, and 2021 Belle II data

First search for direct $C P$ -violating asymmetry in $B^{0} \to K^{0} I ¨ ^{0}$ decays at Belle II

Measurement of the branching fractions of $B \to I^\cdot^{'} K$ decays using 2019/2020 Belle II data

Studies of the semileptonic $B ˉ^{0} \to D^{*+} ℓ^{-} I^ˉ ½_{ℓ}$ and $B^{-} \to D^{0} ℓ^{-} I^ˉ ½_{ℓ}$ decay processes with 34.6 fb $^{- 1}$ of Belle II data

Measurements of branching fractions and direct $CP$ -violating asymmetries in $B^+ \to K^+ Ï^0~\mbox{and}~Ï^+ Ï^0$ decays using 2019 and 2020 Belle II data

Study of Exclusive $B \to I ¨ e^{+} I^½_{e}$ Decays with Hadronic Full-event-interpretation Tagging in 189.3 fb $^{- 1}$ of Belle II Data

Measurements of branching fractions and CP-violating charge asymmetries in charmless $B$ decays reconstructed in 2019--2020 Belle~II data